Tourism ministers of Greece and Serbia signed a memorandum of cooperation regarding a vaccination certificate during the tourism season from May 1 to October 1. Greek Tourism Minister Harry Theoharis and his Serbian counterpart Tatjana Matic signed a memorandum of cooperation, addressing entry requirements for both countries’ citizens. Serbian citizens visiting Greece must carry a … The post Tourism ministers of Greece and Serbia agree on “vaccination certificate” requirement appeared first on Keep Talking Greece.